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* New "general-purpose" datastore upgrade callback added which i called once on startup, intended for lo

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w-level general upgrades and as a complement to module-specific upgrade.
  * Called on startup after initial XML parsing, but before module-specific upgrades
  * Enabled by definign the `.ca_datastore_upgrade`
  * [General-purpose upgrade documentation](https://clixon-docs.readthedocs.io/en/latest/backend.html#ge
neral-purpose)
* JSON parse error messages change from ` on line x: syntax error,..` to `json_parse: line x: syntax err
or`
* Unknown-element error message is more descriptive, eg from `namespace is: urn:example:clixon` to: `Fai
led to find YANG spec of XML node: x with parent: xp in namespace urn:example:clixon`.
* C-API parse and validation API more capable
  * `xml_spec_populate` family of functions extended with three-value return values
    * -1: error, 0: parse OK, 1: parse and YANG binding OK.
  * `xml_parse` and `json_parse` API changes
    * Three value returns: -1: error, 0: parse OK, 1: parse and YANG binding OK.
    * Extended `xml_parse_file2` and `xml_parse_string2` extended API functions with all options available.
      * New concept called `yang_bind` that defines how XML symbols are bound to YANG after parsing
    * Existing API same except `xml_parse_file` `endtag` argument moved to `xml_parse_file2`
* C-API: Added instrumentation: `xml_size` and `xml_stats_get`.
* Fixed: Enabling modstate (CLICON_XMLDB_MODSTATE), changing a revision on a yang, and restarting made the backend daemon exit at start (thanks Matt)
  * Also: ensure to load `ietf-yang-library.yang ` if CLICON_XMLDB_MODSTATE is set
This commit is contained in:
Olof hagsand 2020-02-20 14:00:01 +01:00
parent d665992f7c
commit 9fa5e216c4
80 changed files with 2204 additions and 755 deletions
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58
lib/src/clixon_xml_sort.c
View file

@ -3,7 +3,8 @@
***** BEGIN LICENSE BLOCK *****
Copyright (C) 2009-2016 Olof Hagsand and Benny Holmgren
Copyright (C) 2017-2020 Olof Hagsand
Copyright (C) 2017-2019 Olof Hagsand
Copyright (C) 2020 Olof Hagsand and Rubicon Communications, LLC
This file is part of CLIXON.
@ -135,61 +136,6 @@ xml_cv_cache(cxobj *x,
return retval;
}
/*! Given a child name and an XML object, return yang stmt of child
* If no xml parent, find root yang stmt matching name
* @param[in] x Child
* @param[in] xp XML parent, can be NULL.
* @param[in] yspec Yang specification (top level)
* @param[out] yresult Pointer to yang stmt of result, or NULL, if not found
* @retval 0 OK
* @retval -1 Error
* @note special rule for rpc, ie <rpc><foo>,look for top "foo" node.
* @note works for import prefix, but not work for generic XML parsing where
* xmlns and xmlns:ns are used.
*/
int
xml_child_spec(cxobj *x,
cxobj *xp,
yang_stmt *yspec,
yang_stmt **yresult)
{
int retval = -1;
yang_stmt *y = NULL; /* result yang node */
yang_stmt *yparent; /* parent yang */
yang_stmt *ymod = NULL;
yang_stmt *yi;
char *name;
name = xml_name(x);
if (xp && (yparent = xml_spec(xp)) != NULL){
/* First case: parent already has an associated yang statement,
* then find matching child of that */
if (yang_keyword_get(yparent) == Y_RPC){
if ((yi = yang_find(yparent, Y_INPUT, NULL)) != NULL)
y = yang_find_datanode(yi, name);
}
else
y = yang_find_datanode(yparent, name);
}
else if (yspec){
/* Second case, this is a "root", need to find yang stmt from spec
*/
if (ys_module_by_xml(yspec, xp, &ymod) < 0)
goto done;
if (ymod != NULL)
y = yang_find_schemanode(ymod, name);
}
else
y = NULL;
/* kludge rpc -> input */
if (y && yang_keyword_get(y) == Y_RPC && yang_find(y, Y_INPUT, NULL))
y = yang_find(y, Y_INPUT, NULL);
*yresult = y;
retval = 0;
done:
return retval;
}
/*! Help function to qsort for sorting entries in xml child vector same parent
* @param[in] x1 object 1
* @param[in] x2 object 2